DE2242700B2 - Verfahren zur rueckgewinnung von silber aus waessrigen gelatineloesungen - Google Patents
Verfahren zur rueckgewinnung von silber aus waessrigen gelatineloesungenInfo
- Publication number
- DE2242700B2 DE2242700B2 DE19722242700 DE2242700A DE2242700B2 DE 2242700 B2 DE2242700 B2 DE 2242700B2 DE 19722242700 DE19722242700 DE 19722242700 DE 2242700 A DE2242700 A DE 2242700A DE 2242700 B2 DE2242700 B2 DE 2242700B2
- Authority
- DE
- Germany
- Prior art keywords
- silver
- liquid
- enzyme
- gelatin
- emulsified
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910052709 silver Inorganic materials 0.000 title claims description 45
- 239000004332 silver Substances 0.000 title claims description 45
- 238000000034 method Methods 0.000 title claims description 38
- 229920000159 gelatin Polymers 0.000 title claims description 28
- 235000019322 gelatine Nutrition 0.000 title claims description 28
- 230000008569 process Effects 0.000 title claims description 13
- 238000011084 recovery Methods 0.000 title claims 4
- 239000001828 Gelatine Substances 0.000 title description 7
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 44
- 239000007788 liquid Substances 0.000 claims description 40
- 102000004190 Enzymes Human genes 0.000 claims description 32
- 108090000790 Enzymes Proteins 0.000 claims description 32
- 229940088598 enzyme Drugs 0.000 claims description 32
- 108010010803 Gelatin Proteins 0.000 claims description 21
- 239000008273 gelatin Substances 0.000 claims description 21
- 235000011852 gelatine desserts Nutrition 0.000 claims description 21
- 238000006243 chemical reaction Methods 0.000 claims description 19
- 239000002699 waste material Substances 0.000 claims description 18
- 238000001556 precipitation Methods 0.000 claims description 17
- 108091005804 Peptidases Proteins 0.000 claims description 13
- 102000035195 Peptidases Human genes 0.000 claims description 13
- 239000000243 solution Substances 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000002253 acid Substances 0.000 claims description 10
- 108090000765 processed proteins & peptides Proteins 0.000 claims description 9
- 239000003513 alkali Substances 0.000 claims description 8
- 239000004365 Protease Substances 0.000 claims description 7
- 102000004142 Trypsin Human genes 0.000 claims description 7
- 108090000631 Trypsin Proteins 0.000 claims description 7
- 230000002378 acidificating effect Effects 0.000 claims description 7
- 239000000839 emulsion Substances 0.000 claims description 7
- 229940100890 silver compound Drugs 0.000 claims description 7
- 150000003379 silver compounds Chemical class 0.000 claims description 7
- 239000012588 trypsin Substances 0.000 claims description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000002244 precipitate Substances 0.000 claims description 5
- 108010019160 Pancreatin Proteins 0.000 claims description 4
- 108010059378 Endopeptidases Proteins 0.000 claims description 3
- 102000005593 Endopeptidases Human genes 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 239000012141 concentrate Substances 0.000 claims description 3
- 238000006911 enzymatic reaction Methods 0.000 claims description 3
- 239000000047 product Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 102000057297 Pepsin A Human genes 0.000 claims description 2
- 108090000284 Pepsin A Proteins 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000006386 neutralization reaction Methods 0.000 claims description 2
- 229940111202 pepsin Drugs 0.000 claims description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims 2
- 108090000526 Papain Proteins 0.000 claims 1
- 238000005119 centrifugation Methods 0.000 claims 1
- 238000005189 flocculation Methods 0.000 claims 1
- 230000014759 maintenance of location Effects 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims 1
- 229940055729 papain Drugs 0.000 claims 1
- 235000019834 papain Nutrition 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 150000003378 silver Chemical class 0.000 claims 1
- 239000006228 supernatant Substances 0.000 claims 1
- 239000000725 suspension Substances 0.000 claims 1
- 229960001322 trypsin Drugs 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- 235000018102 proteins Nutrition 0.000 description 6
- 102000004169 proteins and genes Human genes 0.000 description 6
- 108090000623 proteins and genes Proteins 0.000 description 6
- 239000010865 sewage Substances 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- 238000005352 clarification Methods 0.000 description 4
- 102000004196 processed proteins & peptides Human genes 0.000 description 4
- 229940024999 proteolytic enzymes for treatment of wounds and ulcers Drugs 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000000872 buffer Substances 0.000 description 3
- 239000012634 fragment Substances 0.000 description 3
- 229940055695 pancreatin Drugs 0.000 description 3
- 108010004032 Bromelains Proteins 0.000 description 2
- 230000001580 bacterial effect Effects 0.000 description 2
- 150000001875 compounds Chemical group 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 235000019419 proteases Nutrition 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 241000193830 Bacillus <bacterium> Species 0.000 description 1
- 108090000270 Ficain Proteins 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- OUYCCCASQSFEME-QMMMGPOBSA-N L-tyrosine Chemical compound OC(=O)[C@@H](N)CC1=CC=C(O)C=C1 OUYCCCASQSFEME-QMMMGPOBSA-N 0.000 description 1
- 241000235527 Rhizopus Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 238000004380 ashing Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000005018 casein Substances 0.000 description 1
- BECPQYXYKAMYBN-UHFFFAOYSA-N casein, tech. Chemical compound NCCCCC(C(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(CC(C)C)N=C(O)C(CCC(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(C(C)O)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(COP(O)(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(N)CC1=CC=CC=C1 BECPQYXYKAMYBN-UHFFFAOYSA-N 0.000 description 1
- 235000021240 caseins Nutrition 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 229940066758 endopeptidases Drugs 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- POTUGHMKJGOKRI-UHFFFAOYSA-N ficin Chemical compound FI=CI=N POTUGHMKJGOKRI-UHFFFAOYSA-N 0.000 description 1
- 235000019836 ficin Nutrition 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229940023485 nasal product Drugs 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 229920001184 polypeptide Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000012716 precipitator Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002797 proteolythic effect Effects 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- YNJBWRMUSHSURL-UHFFFAOYSA-N trichloroacetic acid Chemical compound OC(=O)C(Cl)(Cl)Cl YNJBWRMUSHSURL-UHFFFAOYSA-N 0.000 description 1
- OUYCCCASQSFEME-UHFFFAOYSA-N tyrosine Natural products OC(=O)C(N)CC1=CC=C(O)C=C1 OUYCCCASQSFEME-UHFFFAOYSA-N 0.000 description 1
- 230000002485 urinary effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C11/00—Auxiliary processes in photography
- G03C11/24—Removing emulsion from waste photographic material; Recovery of photosensitive or other substances
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/18—Extraction of metal compounds from ores or concentrates by wet processes with the aid of microorganisms or enzymes, e.g. bacteria or algae
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
- G03C1/04—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with macromolecular additives; with layer-forming substances
- G03C1/047—Proteins, e.g. gelatine derivatives; Hydrolysis or extraction products of proteins
- G03C2001/0471—Isoelectric point of gelatine
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Biochemistry (AREA)
- Biotechnology (AREA)
- Microbiology (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Geology (AREA)
- General Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
- Peptides Or Proteins (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AUPA613171 | 1971-09-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2242700A1 DE2242700A1 (de) | 1973-03-22 |
| DE2242700B2 true DE2242700B2 (de) | 1973-08-16 |
Family
ID=3764819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722242700 Pending DE2242700B2 (de) | 1971-09-01 | 1972-08-30 | Verfahren zur rueckgewinnung von silber aus waessrigen gelatineloesungen |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS4834730A (enrdf_load_stackoverflow) |
| CA (1) | CA983722A (enrdf_load_stackoverflow) |
| DE (1) | DE2242700B2 (enrdf_load_stackoverflow) |
| FR (1) | FR2151069B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1396928A (enrdf_load_stackoverflow) |
| IT (1) | IT964430B (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5735809B2 (enrdf_load_stackoverflow) * | 1975-02-18 | 1982-07-31 | ||
| DE3209461A1 (de) * | 1982-03-16 | 1983-09-29 | Arnold, Reinhard, 6100 Darmstadt | Verfahren und vorrichtung zur rueckgewinnung von silber aus filmen und fixierbaedern |
| CA1331515C (en) * | 1987-12-24 | 1994-08-23 | Richard A. Mcleod | Recovery of silver from photo sensitive materials |
| RU2618874C1 (ru) * | 2016-02-02 | 2017-05-11 | Федеральное государственное унитарное предприятие "Горно-химический комбинат" (ФГУП "ГХК") | Способ извлечения серебра из азотнокислых актиноид-содержащих растворов (варианты) |
-
1972
- 1972-08-30 DE DE19722242700 patent/DE2242700B2/de active Pending
- 1972-08-30 JP JP47086388A patent/JPS4834730A/ja active Pending
- 1972-08-31 GB GB4034772A patent/GB1396928A/en not_active Expired
- 1972-08-31 IT IT28712/72A patent/IT964430B/it active
- 1972-08-31 CA CA150,658A patent/CA983722A/en not_active Expired
- 1972-09-01 FR FR7231042A patent/FR2151069B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2151069B1 (enrdf_load_stackoverflow) | 1977-04-01 |
| GB1396928A (en) | 1975-06-11 |
| JPS4834730A (enrdf_load_stackoverflow) | 1973-05-22 |
| CA983722A (en) | 1976-02-17 |
| DE2242700A1 (de) | 1973-03-22 |
| IT964430B (it) | 1974-01-21 |
| FR2151069A1 (enrdf_load_stackoverflow) | 1973-04-13 |
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